31254975105 has 16 divisors (see below), whose sum is σ = 50228265024. Its totient is φ = 16595885120.

The previous prime is 31254975079. The next prime is 31254975113. The reversal of 31254975105 is 50157945213.

It is a happy number.

It is not a de Polignac number, because 31254975105 - 2⁶ = 31254975041 is a prime.

It is a super-2 number, since 2×31254975105² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4586166 + ... + 4592975.

It is an arithmetic number, because the mean of its divisors is an integer number (3139266564).

Almost surely, 2^31254975105 is an apocalyptic number.

It is an amenable number.

31254975105 is a deficient number, since it is larger than the sum of its proper divisors (18973289919).

31254975105 is a wasteful number, since it uses less digits than its factorization.

31254975105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9179376.

The product of its (nonzero) digits is 189000, while the sum is 42.

The spelling of 31254975105 in words is "thirty-one billion, two hundred fifty-four million, nine hundred seventy-five thousand, one hundred five".